#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
#include <errno.h>
#include <string.h>

int main(int argc, char* argv[]) {
    // error starts at 0 again
    printf("Error is currently %d:\n%s\n",
            errno, strerror(errno));

    FILE* file = fopen("some_file.txt", "w");
    printf("Error is currently %d:\n%s\n",
            errno, strerror(errno));

    char ch = fgetc(file);
    // errno is being set here by fgetc
    // cannot get characters from a file in write mode
    printf("Error is currently %d:\n%s\n",
            errno, strerror(errno));
    printf("File error is currently %d:\n%s\n",
            ferror(file), strerror(ferror(file)));
    printf("Character was %c\n", ch);

    fclose(file);


    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */